Compaq 7470 - Presario - 64 MB RAM Maintenance And Service Manual Download

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United States

Maintenance and Service Guide

Compaq Presario 7400 Series Computers

MSG index

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Troubleshooting

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Removal & Replacement

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TROUBLESHOOTING

Troubleshooting

Clearing CMOS
Power-On Self Test
(POST)
Configuration
Diagnostics Software
Troubleshooting
without diagnostics

This section provides troubleshooting information for Compaq Presario 7400 Series

Personal Computers. Power-On Self-Test (POST) messages appear in tables.

The message and code tables include a description of the error, the probable cause,

and the recommended action that should be taken to resolve the error condition.

Adherence to the procedures and precautions described in this section is essential for

proper service.

privacy and legal statement

Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series

http://www.compaq.com/athome/support/msgs/7400/trbsht.html [1/8/2002 3:52:08 PM]

Summary of Contents for 7470 - Presario - 64 MB RAM

Page 1: ...nformation and the Preface for symbol conventions and Technician Notes Download ZIP file of complete MSG to hard drive This MSG will be periodically maintained and updated as needed To report a techni...

Page 2: ...nt Jumper Switch Information Specifications PRODUCT DESCRIPTION Product Description Models and features CPU controls and lights Keyboard Creativity Action Center Back components Power cord requirement...

Page 3: ...provides troubleshooting information for Compaq Presario 7400 Series Personal Computers Power On Self Test POST messages appear in tables The message and code tables include a description of the error...

Page 4: ...PARTS NOTE The computer serial number should be provided to Compaq whenever requesting information or ordering spare parts Illustrated Parts System unit Mass storage devices Cables Standard board Fax...

Page 5: ...formation for Compaq 7400 Series Personal Computers Adherence to the procedures and precautions described in this section is essential for safe and proper service Removal Sequence Before you begin Ser...

Page 6: ...acement Jumper Switch Information Specifications JUMPER SWITCH INFORMATION INDEX PAGE Jumper Switch Information System board Hard drive CD drive DVD drive CD RW Zip drive available on select models pr...

Page 7: ...ions SPECIFICATIONS INDEX PAGE This section provides physical environmental and performance specifications for Compaq 7400 Series Personal Computers System Power supply Diskette drive Hard drive DVD d...

Page 8: ...o Registered U S Patent and Trademark Office Microsoft MS DOS and Windows are registered trademarks of Microsoft Corporation Windows 95 and Windows 98 are trademarks of Microsoft Corporation The softw...

Page 9: ...in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions c...

Page 10: ...ormation or ordering spare parts the computer serial number should be provided to Compaq The serial number can be found on the front right side of the chassis between the CD DVD Zip drives and the dri...

Page 11: ...ou begin Serial number Chassis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Before You Begin Ele...

Page 12: ...ax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Serial Number The computer serial number should be provided to Compaq whenever you req...

Page 13: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 serno html 2 of 2 1 8 2002 3 52 10 PM...

Page 14: ...storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Chassis Removal 1 Perform the preparation procedures 2 Remove the thr...

Page 15: ...of the cover Replacement To replace the chassis reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome supp...

Page 16: ...3 Gently lay the computer on its side with back connectors closest to the working surface 4 Remove the four screws that secure the power supply to the back of the chassis as shown 5 Slide the power s...

Page 17: ...Chassis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices 1 CD DVD CD RW drive...

Page 18: ...ssis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Fax modem Removal 1 Perform preparation proced...

Page 19: ...may contain an Ethernet network card Replacement To replace the fax modem reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http...

Page 20: ...ssis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES PCI Bracket Removal 1 Perform preparation proc...

Page 21: ...chassis 5 Remove the bracket Replacement To replace the PCI bracket reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www com...

Page 22: ...egin Serial number Chassis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES System Board Components...

Page 23: ...umber Chassis Power supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Instant On Button Board Removal 1 Per...

Page 24: ...r supply Mass storage devices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Creativity Action Center available on select models onl...

Page 25: ...e top clip by sliding the Creativity Action Center port to the left and push it in to remove it Next Step privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Seri...

Page 26: ...Replacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION System Board Index System board connectors Jumper settings privac...

Page 27: ...CH INFORMATION 3 5 Hard Drives Compaq Computer Corporation uses IDE hard disk drives that conform to two different device 0 device 1 implementations These are Conner mode and ATA compatible mode These...

Page 28: ...ard Drive Jumper Settings privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 hdjum html 2 of 2 1 8 2002 3 52...

Page 29: ...strated Parts Catalog Home Removal Replacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION CD Drive Compaq com Compaq Pres...

Page 30: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cddrive html 2 of 2 1 8 2002 3 52 18 PM...

Page 31: ...strated Parts Catalog Home Removal Replacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION DVD Drive Compaq com Compaq Pre...

Page 32: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 dvdrve html 2 of 2 1 8 2002 3 52 19 PM...

Page 33: ...strated Parts Catalog Home Removal Replacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION Zip drive Compaq com Compaq Pre...

Page 34: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 zipjum html 2 of 2 1 8 2002 3 52 19 PM...

Page 35: ...se Fax modem Zip drive SPECIFICATIONS System Specifications General system specifications System interrupts System I O system function shipping configuration System memory System DMA General System Sp...

Page 36: ...sing Operating 10 to 90 10 to 90 Nonoperating 5 to 95 5 to 95 Maximum Altitude unpressurized Operating 10 000 ft 3048 m Nonoperating 30 000 ft 9144 m This number will increase if more bays slots are o...

Page 37: ...11 IRQ Holder for PCI Steering IRQ 11 Standard PCI Graphics Adapter VGA IRQ 11 VIA tech 3038 PCI to USB Universal Host Controller IRQ 11 VIA tech 3038 PCI to USB Universal Host Controller IRQ 12 PS 2...

Page 38: ...igurations are as follows Modem IRQ 4 10 11 none Parallel Port IRQ 3 4 5 9 10 none System Audio IRQ 7 9 10 none Serial Port IRQ 3 5 7 9 10 12 none privacy and legal statement Compaq com Compaq Presari...

Page 39: ...oltage 100 to 120 VAC 220 to 240 VAC Range Input Line 90 to 132 VAC 180 to 264 VAC Frequency Range 47 to 63 Hz 47 to 63 Hz Input Power 210 Watts 210 Watts Input Current 4 5 at 90 VAC 2 2 at 180 VAC Ho...

Page 40: ...ndard UL 1950 CSA 22 2 950 or CSA 22 2 234 TUV VDE EN 60 950 VDE0805 11 91 EMKO TSE 74 SEC 207 93 Input Transient Susceptibility Common and Differential Mode superimposed on AC line 2500 V 1 s damped...

Page 41: ...rive SPECIFICATIONS Diskette Drive Diskettes Size in 3 5 8 89 cm High Density MB 1 44 Low Density KB 720 Light Green Height One third Bytes per Sector 512 Sectors per Track High Density 18 Low Density...

Page 42: ...specifications on Seagate or Quantum hard drives Western Digital Hard Drives 3 5 8 4 GB 10 0 GB 13 0 GB Compaq Part Number 148611 001 144364 001 144365 001 Formatted Capacity Physical MB 8455 2 MB 10...

Page 43: ...Cylinders Physical Logical 16579 16383 16579 16383 16579 16383 Data Heads Cylinder Physical Logical 3 16 3 16 4 16 Sectors per Track Physical Logical 282 504 20 zones 63 282 504 20 zones 63 282 504 2...

Page 44: ...em Zip drive SPECIFICATIONS DVD3 6x 10x Drive Dimensions U S Metric Width Height Depth 5 74 in 1 68 in 8 23 in 14 60 cm 4 29 cm 20 80 cm Weight 1 80 lb 0 9 kg Applicable Disc Formats DVD 5 DVD 9 DVD 1...

Page 45: ...200 ms Audio Output Level Line Out Headphone 1 0 V RMS at 47 kW 0 7 V RMS at 32 W Cache Buffer 512 Kb Sustained Data Transfer Rate 150 KB sec 1x CD ROM mode 1200 3600 KB sec 32 CAV CD ROM mode 2705 81...

Page 46: ...ric Width Height Depth 5 75 in 1 67 in 8 23 in 150 1 mm maximum 42 9 mm maximum 208 0 mm maximum Weight 2 65 lb 1200 grams Applicable Disc CD ROM CD DA CD R W CD XA Photo CD Modes 1 and 2 Audio Mode 2...

Page 47: ...using audio disc 2100 to 4800 kB s 14X to 32X variable w 650 MB disc Bus Rate Burst 4 0 MB s minimum Startup Time Single 7 sec typical Startup Time Multisession 30 sec typical Stop Time 4 sec CD RW Di...

Page 48: ...68 bytes Diameter 12 cm 8 cm drive must support 8 cm adapters Thickness 1 2 mm Track Pitch 1 6 m Laser Divergence Angle Output Power Type Wave Length 53 5 degrees 1 5 degrees 0 14 mW objective lens Se...

Page 49: ...7 sec typical Startup Time Multisession 30 sec typical Stop Time 4 sec privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome suppo...

Page 50: ...e CD drives Mouse Fax modem Zip drive SPECIFICATIONS Mouse Dimensions U S Metric Height Length Width 1 22 in 3 94 in 2 21 in 3 1 cm 10 cm 5 6 cm Weight 2 9 oz 85 g Base Resolution 400 DPI Tracking Spe...

Page 51: ...Humidity 10 to 90 noncondensing ESD No soft errors through 6 kV No hard errors through 6 kV specific performance depends on host system privacy and legal statement Compaq com Compaq Presario Maintenan...

Page 52: ...um Data Speed kbps 56 56 Data V 90 K56Flex V 34 V 32terbo V 32bis V 32 V 22bis V 22 V 21 Bell 212A Bell 103 V 90 K56Flex V 34 V 32terbo V 32bis V 32 V23 V 22bis V 22 V 21 Bell 212A Bell 103 Error Corr...

Page 53: ...DSL protocol is designed to allow faster downloads from G Lite DSL compliant digital sources Maximum achievable download transmission rates are currently unknown may not reach 1 5Mbps and will vary w...

Page 54: ...formatted capacity bytes 100 663 296 Sector size bytes 512 Total number of sectors 196 608 Number of reassignable spare sectors 252 Seek times including settling ms Average Track to track Maximum 29...

Page 55: ...4 Door assembly Spared with bezel 5 Front bezel 171287 001 155468 021 EMEA 6 Drive bay bezel blank 5 25 hard drive Spared with bezel 7 Floppy bezel Spared with bezel 8 Drive bay bezel blank 3 5 hard...

Page 56: ...it Mass storage devices Cables Standard board Fax modem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS Mass Storage Devices 1 100 MB Zip drive select model...

Page 57: ...odem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS Miscellaneous Cable Kit 128385 001 1 Power cable click for country specific part number 2 CD DVD drive...

Page 58: ...904 061 Diskette Data Cable Hard Drive Dual Data Cable CD DVD Dual Connector Cable 171290 001 Misc Cable 171291 001 Tie Wrap 190086 001 CD Audio Cable 18 in 174773 001 USB Data Cable 202405 001 privac...

Page 59: ...ard Board Description Spare Part Number 1 System Board 166050 101 w o PROC no dis 157070 001 w o PROC no dis BRZ 161258 202 K6 2 System Board 201671 001 K6 2 System Board 202400 001 EMEA 2 Heat sink A...

Page 60: ...MB 337372 001 179190 001 387073 001 privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 brds3 html 2 of 2 1 8...

Page 61: ...modem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS Two examples of the types of modem used are shown Your modem may differ slightly from those illustrat...

Page 62: ...Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS Easy Access Internet keyboard Part Number 387084 xxx or 198664 xxx Click on the drop down box to find xxx fo...

Page 63: ...rated Parts System unit Mass storage devices Cables Standard board Fax modem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS Monitors Compaq MV 520 15 speak...

Page 64: ...9 speakers not shown 341269 001 privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 monitor html 2 of 2 1 8 20...

Page 65: ...storage devices Cables Standard board Fax modem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS CATALOG Miscellaneous Parts Description Spare Part Number 1...

Page 66: ...Illustrated Parts System unit Mass storage devices Cables Standard board Fax modem Keyboards Monitors Miscellaneous parts Return kits Documentation software ILLUSTRATED PARTS CATALOG Return Kits Descr...

Page 67: ...umentation software ILLUSTRATED PARTS CATALOG Documentation Software for 7400 models Description Spare Part Number Product Brick User s Guide Compaq Warranty QuickRestore CD 7400 Series Windows 98 Qui...

Page 68: ...6 June 009 September 012 December privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 docs html 2 of 2 1 8 200...

Page 69: ...ic device exposed to electrostatic discharge ESD may not be affected at all and will work perfectly throughout a normal cycle Or it may function normally for awhile and then degrade in the internal la...

Page 70: ...tic sensitive parts from assemblies into protective packaging or conductive foam Use transporters and conveyors made of antistatic belts and metal roller bushings Mechanized equipment used for moving...

Page 71: ...rea free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam Use field service tools such as cutters screwdrivers and vacuums that are conductive Use a portable field servi...

Page 72: ...e tabletop workstations with ground cord of 1 megohm of resistance Static dissipative table or floor mats with hard tie to ground Field service kits Static awareness labels Wrist straps and footwear s...

Page 73: ...not interchangeable If an incorrect screw is used during the reassembly process it could cause damage to the unit Compaq strongly recommends that all screws removed during the disassembly process be k...

Page 74: ...s are placed in their proper location during the reassembly process Improper cable placement can cause severe damage to the unit Ribbon Cable Positions CD DVD Primary optical storage Creativity Action...

Page 75: ...prepare the computer for removal and replacement procedures complete the following steps 1 Remove any diskettes compact discs or Zip disks from the computer 2 Turn off the computer and any peripheral...

Page 76: ...ton board Creativity Action Center privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 prep html 2 of 2 1 8 20...

Page 77: ...drive 3 5 Diskette drive Mass storage devices index page REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices CD DVD CD RW Drive NOTE To remove a CD DVD or CD RW that has jammed in the drive manually...

Page 78: ...power and audio cables from the CD DVD or CD RW drive NEXT STEP privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs...

Page 79: ...25 Hard drive Zip drive 3 5 Diskette Drive Mass storage devices index page REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices 3 5 Hard Drive Removal 1 Perform preparation procedures 2 Remove the cha...

Page 80: ...25 Hard drive Zip drive 3 5 Diskette Drive Mass storage devices index page REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices 5 25 Hard Drive Removal 1 Perform preparation procedures 2 Remove the cha...

Page 81: ...d drive 5 25 Hard drive Zip drive 3 5 Diskette drive Mass storage devices index page REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices Zip Drive 1 Perform preparation procedures 2 Remove the cover 3...

Page 82: ...5 25 Hard drive Zip drive 3 5 Diskette drive Mass storage devices index page REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices Diskette Drive 1 Perform the preparation procedures 2 Remove the cover...

Page 83: ...tem board components index page REMOVAL REPLACEMENT PROCEDURES System Board Components Fan Heat Sink and processor Removal 1 Perform preparation procedures 2 Remove the chassis 3 Remove the power supp...

Page 84: ...ocessor Memory module RTC battery System board components System board components index page REMOVAL REPLACEMENT PROCEDURES System Board Components Memory Module DIMM Removal 1 Perform preparation pro...

Page 85: ...IMM from the system board Replacement To replace the DIMM reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com at...

Page 86: ...em board components index page REMOVAL REPLACEMENT PROCEDURES System Board Components RTC Battery Removal 1 Perform preparation procedures 2 Remove the chassis 3 Remove the power supply 4 Locate the R...

Page 87: ...Do not abuse Use only replacement batteries supplied by Compaq Computer Corporation privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com...

Page 88: ...odule RTC battery System board components System board components index page REMOVAL REPLACEMENT PROCEDURES System Board Components System Board Removal 1 Perform preparation procedures 2 Remove the c...

Page 89: ...t To replace the system board reverse this procedure NOTE The system board spare part kit does not include the processor cache DIMM or video expansion module The components must be transferred from th...

Page 90: ...vices Fax modem PCI bracket System board Instant On button board Creativity Action Center REMOVAL REPLACEMENT PROCEDURES Instant On Button Board continued Removal continued 3 Remove the assembly from...

Page 91: ...ications REMOVAL REPLACEMENT Creativity Activity Center continued 6 Disconnect the cable from the Creativity Action Center 7 Remove the Creativity Action Center cable from the board Replacement To rep...

Page 92: ...lacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION System Board Connectors Click on an item number to identify the syste...

Page 93: ...erence Designator 1 Diskette Drive 34 pin FDD1 2 Primary IDE Drive 40 pin IDE1 Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 bdjum2...

Page 94: ...N A 17 Socket 7 321 pin PGA U6 18 Power Supply 20 pin CN1 19 CPU Core Voltage Select 5 2 pin JP7 11 20 Clock Multiplier 3 2 pin JP4 6 21 23 DIMM Sockets 168 pin DIMM DIMM 1 to 3 24 Mouse Miniature 6 p...

Page 95: ...ne In Mini Stereo Game1B 32 Microphone Mini Stereo Game1C 33 Game Port DSUB 15 pin Game1A privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www comp...

Page 96: ...MATION Jumper Settings Jumper 3 CMOS Jumpers 4 6 Multiplier Jumpers 7 11 Core Voltage Setting Jumpers 12 15 Clock Speed Jumper 3 CMOS Normal CMOS Clear pins 1 2 pins 2 3 Jumpers 4 6 JP4 JP5 JP6 CPU Ho...

Page 97: ...N ON 2 6 OFF ON ON ON 2 7 ON OFF OFF OFF 2 8 ON OFF OFF ON 2 9 ON OFF ON OFF 3 0 ON OFF ON ON 3 1 ON ON OFF OFF 3 2 ON ON OFF ON 3 3 ON ON ON OFF 3 4 ON ON ON ON 3 5 Jumpers 12 15 CPU 15 14 13 12 OFF...

Page 98: ...OFF ON ON ON 100 privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 ty10jmpr1 html 3 of 3 1 8 2002 3 52 47 PM...

Page 99: ...ated Parts Catalog Home Removal Replacement Jumper Switch Information Specifications System boards Hard drives DVD drive CD drive Zip drive JUMPER SWITCH INFORMATION 5 25 Hard Drive Compaq com Compaq...

Page 100: ...ard Drive Jumper Settings privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 hdjum2 html 2 of 2 1 8 2002 3 52...

Page 101: ...se Fax modem Zip drive System SPECIFICATIONS System Specifications continued General system specifications Video memory System interrupts System I O System memory System DMA System I O Low high Descri...

Page 102: ...Direct memory access controller x00F0 x00FF Numeric data processor x0170 x0177 VIA Bus Master PCI IDE Controller x0170 x0177 Secondary IDE controller dual fifo x01F0 x01F7 VIA Bus Master PCI IDE Contr...

Page 103: ...x1170 x13F6 Alias of VIA Bus Master PCI IDE Controller x1400 x141F VIA Tech 3038 PCI to USB Universal Host Controller x1420 x143F VIA Tech 3038 PCI to USB Universal Host Controller x1440 x1447 Primar...

Page 104: ...of VIA Bus Master PCI IDE Controller privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 syspec html 4 of 4 1...

Page 105: ...odem Zip drive System SPECIFICATIONS System Specifications continued General system specifications Video memory System interrupts System I O System memory System DMA System Memory Low and High Memory...

Page 106: ...VGA x41000000 x4101FFFF Standard PCI Graphics Adapter VGA x41020000 x4102FFFF Standard PCI Graphics Adapter VGA x50000000 x53FFFFFF VIA Tech VT501 CPU to PCI bridge xFFF80000 xFFFFFFFF System board e...

Page 107: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 specdeta html 3 of 3 1 8 2002 3 52 48 PM...

Page 108: ...MB 10005 MB 8455 MB 13520 8455 13022 13022 17245 MB 17245 MB Transfer Rate Disk to Buffer Mbits sec Interface Mbytes sec IORDY DMA UDMA 105 15 222 87 16 6 16 6 66 6 188 Max 16 6 16 6 66 6 323 Max 16 6...

Page 109: ...244 437 nom 63 244 416 10 zones 63 316 508 10 zones 63 245 421 10 zones 63 244 416 10 zones 63 privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www...

Page 110: ...ks for specifications on Seagate or Western Digital hard drives Quantum Hard Drives 3 5 8 4 GB 10 0 GB 13 0 GB Compaq Part Number 122258 001 138224 001 138225 001 Formatted Capacity Physical MB Logica...

Page 111: ...gical 12515 16383 16383 16383 12515 16384 Data Heads Cylinder Physical Logical 4 16 3 16 6 16 Sectors per Track Physical Logical 250 403 15 zones 63 307 512 15 zones 63 250 403 15 zones 63 privacy and...

Page 112: ...er supply Mass storage devices Fax modem Parallel port assembly PCI bracket System board components Instant On button board REMOVAL REPLACEMENT PROCEDURES Parallel Port Cable Assembly Removal 1 Perfor...

Page 113: ...pull the parallel port cable assembly out of the chassis Replacement To replace the parallel port reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service...

Page 114: ...D CD RW Creativity action center Diskette drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT Service Considerations Cable Positions CD DVD drive Primary optical storage T...

Page 115: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cdcabl html 2 of 2 1 8 2002 3 52 50 PM...

Page 116: ...ormation Specifications CD DVD CD RW Creativity action center Diskette drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT Service Considerations Cable Positions Creativit...

Page 117: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 caccbl2 html 2 of 2 1 8 2002 3 52 50 PM...

Page 118: ...CD RW Creativity action center Diskette drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT Service Considerations Cable Positions CD RW drive Secondary optical storage T...

Page 119: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cdrwcabl html 2 of 2 1 8 2002 3 52 51 PM...

Page 120: ...tte drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT PROCEDURES Service considerations Cable positions 3 5 Hard Drive Click here to see the 5 25 hard drive The cable go...

Page 121: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 hdcable html 2 of 2 1 8 2002 3 52 52 PM...

Page 122: ...CD DVD CD RW Creativity action center Diskette drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT PROCEDURES Service Considerations Cable Positions Diskette Drive This c...

Page 123: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 fpycbl html 2 of 2 1 8 2002 3 52 52 PM...

Page 124: ...ion center Diskette drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT PROCEDURES Service Considerations Cable Positions Zip Drive available on select models This cable g...

Page 125: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 zipcble html 2 of 2 1 8 2002 3 52 53 PM...

Page 126: ...D or SuperDisk available on select models only and not pictured here from the drive Insert a straightened paper clip into the manual eject hole and push firmly On select models the eject hole is locat...

Page 127: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cdrem2 html 2 of 2 1 8 2002 3 52 53 PM...

Page 128: ...DURES Mass Storage Devices CD or DVD Drive continued 4 Remove the four screws from the sides of the CD DVD or CD RW drive 5 Pull the CD DVD or CD RW drive straight out of the front of the chassis Repl...

Page 129: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cdrem3 html 2 of 2 1 8 2002 3 52 54 PM...

Page 130: ...tch Information Specifications REMOVAL REPLACEMENT PROCEDURES Mass storage devices 3 5 Hard Drive continued 5 Remove the four screws from the side of the hard drive cage 6 Remove the hard drive from t...

Page 131: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 rmv3hd2 html 2 of 2 1 8 2002 3 52 54 PM...

Page 132: ...Switch Information Specifications REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices 5 25 Hard Drive continued 4 Remove the four screws from the sides of the hard drive 5 Pull the hard drive from the...

Page 133: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 rmv5hd2 html 2 of 2 1 8 2002 3 52 55 PM...

Page 134: ...Information Specifications REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices Zip Drive Removal Continued 5 Remove the four screws from the sides of the Zip drive 6 Remove the Zip drive from the fro...

Page 135: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 zprmv2 html 2 of 2 1 8 2002 3 52 55 PM...

Page 136: ...CEDURES Mass Storage Devices Diskette Drive continued 5 Remove the four screws from the sides of the drive bracket 6 Remove the drive from the front of the drive age assembly Replacement To replace th...

Page 137: ...System board components System board components index page REMOVAL REPLACEMENT PROCEDURES System Board Components Processor Removal 1 Perform preparation procedures 2 Remove the chassis 3 Remove the p...

Page 138: ...processor reverse this procedure privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 remproc html 2 of 2 1 8 2...

Page 139: ...OTING Clearing CMOS CMOS jumper location 1 Complete the preparation for disassembly 2 Remove the chassis 3 Remove the fax modem board 4 Remove the PCI bracket 5 To clear the CMOS move the jumper JP3 p...

Page 140: ...erly Keyboard System board Memory modules Video memory Diskette drives Hard drive Power supply POST also detects the type of mass storage devices installed in the computer If POST finds an error in th...

Page 141: ...skette tests 1 Run Setup 2 Replace the signal cables 3 Replace the drive Extended RAM failed at offset nnn Extended memory not working or not configured properly 1 Replace the memory modules 2 Replace...

Page 142: ...eck 1 Parity error found in the system bus 1 Run Setup 2 Replace the memory modules 3 Replace the system board Parity Check 2 Parity error found in the I O bus 1 Run Setup 2 Replace the ISA board mode...

Page 143: ...ocks indicating released segments of the BIOS Status message No action required Video BIOS Shadowed Video BIOS successfully copied to shadow RAM Status message No action required privacy and legal sta...

Page 144: ...ration error is detected during the Power On Self Test POST To change factory default settings for some of the computer features To change the system configuration which is sometimes necessary when yo...

Page 145: ...ot of the computer s hardware configuration aids in troubleshooting and sets custom features Setup recognizes a new internal component or an external device and automatically updates the configuration...

Page 146: ...e following steps 1 Insert the QuickRestore CD into the CD drive 2 From the Windows desktop click on Start then Program then Windows Explorer 3 Click on the CD drive icon 4 Double click on the PCdiags...

Page 147: ...nd provides information about the system operating environment including Contents of the operating system startup files Current memory configuration ROM version Type of processor and coprocessor Diske...

Page 148: ...for Windows is preinstalled on your system To access Diagnostics for Windows click Start point to Settings then select Control Panel and then double click Compaq Diagnostics Compaq Personal Computer...

Page 149: ...before running any of the diagnostic utilities Is the computer connected to a working power outlet Is the computer turned on and the power light illuminated Are all cables connected properly and seate...

Page 150: ...ve a digital flat panel port DFPP See your authorized dealer or reseller about CPU support for flat panel monitors The display only fills part of the screen The monitor does not support your resolutio...

Page 151: ...ct the CD then re insert it pressing down gently on the CD to correctly seat it in the drive CD has been loaded upside down Eject the CD turn it over then reload CD may be dirty or scratched Clean the...

Page 152: ...vers are loaded Cannot eject DVD disc The system is in the Sleep mode Press the Power button to bring the system back to full power then eject the DVD The DVD diskette or hard drive was active when at...

Page 153: ...ources These resources can either be dipswitch or jumper settings on the peripheral card or software configurable resources The Computer Setup selection of your Compaq Utilities allows you to view and...

Page 154: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 trbnod1 html 6 of 6 1 8 2002 3 52 59 PM...

Page 155: ...rror codes Troubleshooting without diagnostics TROUBLESHOOTING Troubleshooting Without Diagnostics continued Hard drive Problem Probable cause s Possible solution Hard drive error occurs Hard disk has...

Page 156: ...has been damaged Insert a bootable diskette into the diskette drive and restart the computer with Ctrl Alt Del Diskette boot has been disabled in Computer Setup Run Computer Setup and enable diskette...

Page 157: ...entify the new device The cables for the new external device are loose or the power cables are unplugged Check all cables The power switch for the new external device is not turned on Turn off the com...

Page 158: ...function and blockage USB Problem Probable cause s Possible solution USB device does not work with the system The USB device and the system may use different USB architectures Ensure that the USB devi...

Page 159: ...rotection on the diskette Writing to the wrong drive Check the drive letter in your path statement Not enough space is left on the diskette Use another diskette to write the information Diskette drive...

Page 160: ...otected or disable the write protection on the diskette Writing to the wrong drive Check the drive letter in your path statement Not enough space is left on the diskette Use another diskette to write...

Page 161: ...text The ANSI SYS driver is not in the CONFIG SYS file Add the ANSI SYS driver to the CONFIG SYS file by adding the following line DEVICE C ANSI SYS Monitor overheats There is not enough ventilation s...

Page 162: ...application error Restart the computer privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 trbnodg html 8 of 8...

Page 163: ...te drive Hard drive Zip drive Service considerations index page REMOVAL REPLACEMENT PROCEDURES Service considerations Cable positions 5 25 Hard Drive Click here to see the 3 5 hard drive The cable goe...

Page 164: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 hdcable2 html 2 of 2 1 8 2002 3 53 01 PM...

Page 165: ...formation Specifications REMOVAL REPLACEMENT PROCEDURES Mass storage devices 3 5 Hard Drive continued 7 Disconnect the hard drive cable from the board Replacement To replace the 3 5 inch hard drive re...

Page 166: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 rmv3hd3 html 2 of 2 1 8 2002 3 53 02 PM...

Page 167: ...h Information Specifications REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices 5 25 Hard Drive continued 6 Disconnect the hard drive cable from the board Replacement To replace the hard drive revers...

Page 168: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 rmv5hd3 html 2 of 2 1 8 2002 3 53 03 PM...

Page 169: ...Information Specifications REMOVAL REPLACEMENT PROCEDURES Mass Storage Devices Zip Drive Removal Continued 7 Remove the zip drive cable from the board Replacement To replace the Zip drive reverse the...

Page 170: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 zprmv3 html 2 of 2 1 8 2002 3 53 03 PM...

Page 171: ...o 7400 Series Standard Configurations Models Processor MHz Hard drive GB RAM MB CD DVD CD RW Modem North America NA 7460 K6 2 500 8 0 64 CD RW PCI ITU V 90 56K 7461 K6 2 500 8 0 64 40X CD PCI ITU V 90...

Page 172: ...0 40 0 64 8X 10X DVD and CD RW PCI ITU V 90 56K APD 7400 K6 2 500 8 0 64 40X CD International 56K 7400 K6 2 533 8 0 64 40X CD International 56K 7480 K6 2 550 10 0 64 40X CD International 56K EMEA 7450...

Page 173: ...15 0 64 8X 10X 12X DVD International 56K 7484 K6 2 533 15 0 64 8X 10X 12X DVD International 56K Latin America LA 7453 K6 2 475 5 0 32 40X CD PCI ITU V 90 56K 7463 K6 2 500 5 0 64 40X CD PCI ITU V 90...

Page 174: ...s PRODUCT DESCRIPTION CPU Controls and Lights 1 Emergency eject slot 2 CD DVD drive activity light on select models the light is displayed to the left of the manual eject slot CD RW selected models 3...

Page 175: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cpucntr html 2 of 2 1 8 2002 3 53 04 PM...

Page 176: ...d Creativity Action Center Back components Power cord requirements PRODUCT DESCRIPTION Top left and right controls View keyboard top right corner assignments Keyboard Controls and Lights 1 Play pause...

Page 177: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 kybdcon html 2 of 2 1 8 2002 3 53 08 PM...

Page 178: ...fications Product Description Models and features CPU controls and lights Keyboard Creativity Action Center Back components Power cord requirements PRODUCT DESCRIPTION Available on select models Creat...

Page 179: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 cacdesc html 2 of 2 1 8 2002 3 53 08 PM...

Page 180: ...ctors 1 Mouse 2 Keyboard 3 Two USB ports 4 Serial port 5 SVGA monitor port 6 Audio line out 7 Audio line in 8 Microphone in 9 Modem line 10 Voltage select switch 11 AC power connector 12 Parallel Port...

Page 181: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 backcpu2 html 2 of 2 1 8 2002 3 53 09 PM...

Page 182: ...ts of the country where you use the computer For more information on power cord set requirements contact your Compaq authorized dealer reseller or service provider General Requirements The requirement...

Page 183: ...ion in the country where it will be used The flexible cord must be Type SJT 2 or equivalent No 18 AWG 3 conductor The wall plug must be a two pole grounding type with a NEMA 5 15P 15A 125V or NEMA 6 1...

Page 184: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 pwrcrd html 3 of 3 1 8 2002 3 53 09 PM...

Page 185: ...ivity Action Center Back components Power cord requirements PRODUCT DESCRIPTION Center controls and upper right corner lights Keyboard Controls and Lights 1 Instant e mail 2 Daily destination 3 My Pre...

Page 186: ...privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 kybdrh html 2 of 2 1 8 2002 3 53 10 PM...

Page 187: ...back connectors Power cord set requirements PRODUCT DESCRIPTION CPU Back Connectors Connector Pin Assignments Select an item to see its pin assignments Audio line out Keyboard Parallel Connector Speak...

Page 188: ...ta Bit 2 10 Acknowledge 16 Initialize Printer 5 Data Bit 3 11 Busy 17 Select In 6 Data Bit 4 12 Paper Out 18 25 Signal Ground Active low Serial Connector Pin Signal 1 Carrier Detect 2 Receive Data 3 T...

Page 189: ...d 9 Ring Indicator Universal Serial Bus Pin Signal 1 Data 2 Data 3 Ground 4 5 VDC Keyboard Mouse Pin Signal 1 Data 2 Unused 3 Ground Compaq com Compaq Presario Maintenance and Service Guide 7400 Serie...

Page 190: ...VDC 5 Clock 6 Unused privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 conpin html 4 of 4 1 8 2002 3 53 11...

Page 191: ...wer cord set requirements PRODUCT DESCRIPTION CPU Back Connectors Connector Pin Assignments Click on an item to see its pin assignments Audio line out Flat panel monitor Mouse Serial Connector Audio l...

Page 192: ...nd 9 5 VDC 14 Fire B 2 5 Ground 10 Fire A 2 15 MIDI In Line out Line in Speaker Headphone Out Microphone Stereo 1 8 Miniphone Phone Line to Wall Jack Phone Line to Phone Pin Signal Compaq com Compaq P...

Page 193: ...nal Pin Signal Pin Signal 1 Unused 3 Ring 5 Unused 2 Unused 4 Tip 6 Unused privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome s...

Page 194: ...nnectors Power cord set requirements PRODUCT DESCRIPTION CPU Rear Connectors Connector Pin Assignments Audio line out Flat panel monitor Mouse Serial Audio line in Keyboard Parallel Speaker headphone...

Page 195: ...in Signal 1 RESET 11 DD3 21 DMARK 31 INTRQ 2 GND 12 DD12 22 GND 32 IOCS16 3 DD7 13 DD2 23 DIOW 33 DA0 4 DD8 14 DD13 24 GND 34 PDIA6 5 DD6 15 DD1 25 DIOR 35 DA0 6 DD9 16 DD14 26 GND 36 DAZ 7 DD5 17 DD0...

Page 196: ...1 20 KEY 30 GND 40 GNP privacy and legal statement Compaq com Compaq Presario Maintenance and Service Guide 7400 Series http www compaq com athome support msgs 7400 connpina html 3 of 3 1 8 2002 3 53...

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